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All results from a given calculation for C2H6O2S (Dimethyl sulfone)

using model chemistry: HF/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/aug-cc-pVDZ
 hartrees
Energy at 0K-626.436961
Energy at 298.15K 
HF Energy-626.436961
Nuclear repulsion energy273.767199
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HF/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3315 3019 2.05      
2 A1 3204 2918 3.96      
3 A1 1551 1412 3.71      
4 A1 1466 1335 14.31      
5 A1 1190 1084 178.42      
6 A1 1085 988 3.91      
7 A1 739 673 3.69      
8 A1 506 461 39.60      
9 A1 285 259 3.31      
10 A2 3315 3019 0.00      
11 A2 1540 1402 0.00      
12 A2 1013 923 0.00      
13 A2 313 285 0.00      
14 A2 195 178 0.00      
15 B1 3320 3023 4.81      
16 B1 1558 1418 9.98      
17 B1 1360 1238 277.93      
18 B1 1070 974 0.06      
19 B1 372 339 0.55      
20 B1 226 206 0.44      
21 B2 3314 3017 0.04      
22 B2 3201 2915 0.19      
23 B2 1541 1403 4.87      
24 B2 1447 1318 7.34      
25 B2 1026 934 64.29      
26 B2 811 738 24.41      
27 B2 482 439 60.65      

Unscaled Zero Point Vibrational Energy (zpe) 19721.6 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 17958.5 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HF/aug-cc-pVDZ
ABC
0.15284 0.14022 0.13777

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.178
O2 -1.260 0.000 0.912
O3 1.260 0.000 0.912
C4 0.000 1.412 -0.906
C5 0.000 -1.412 -0.906
H6 0.000 2.281 -0.254
H7 0.000 -2.281 -0.254
H8 0.901 1.392 -1.513
H9 -0.901 1.392 -1.513
H10 -0.901 -1.392 -1.513
H11 0.901 -1.392 -1.513

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.45841.45841.77991.77992.32182.32182.36822.36822.36822.3682
O21.45842.52042.62412.62412.85522.85523.53382.81892.81893.5338
O31.45842.52042.62412.62412.85522.85522.81893.53383.53382.8189
C41.77992.62412.62412.82361.08683.75021.08641.08643.00723.0072
C51.77992.62412.62412.82363.75021.08683.00723.00721.08641.0864
H62.32182.85522.85521.08683.75024.56261.78501.78503.98653.9865
H72.32182.85522.85523.75021.08684.56263.98653.98651.78501.7850
H82.36823.53382.81891.08643.00721.78503.98651.80203.31692.7847
H92.36822.81893.53381.08643.00721.78503.98651.80202.78473.3169
H102.36822.81893.53383.00721.08643.98651.78503.31692.78471.8020
H112.36823.53382.81893.00721.08643.98651.78502.78473.31691.8020

picture of Dimethyl sulfone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C4 H6 105.623 S1 C4 H8 109.017
S1 C4 H9 109.017 S1 C5 H7 105.623
S1 C5 H10 109.017 S1 C5 H11 109.017
O2 S1 O3 119.558 O2 S1 C4 107.849
O2 S1 C5 107.849 O3 S1 C4 107.849
O3 S1 C5 107.849 C4 S1 C5 104.974
H6 C4 H8 110.448 H6 C4 H9 110.448
H7 C5 H10 110.448 H7 C5 H11 110.448
H8 C4 H9 112.063 H10 C5 H11 112.063
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 2.149      
2 O -1.166      
3 O -1.166      
4 C 0.029      
5 C 0.029      
6 H 0.042      
7 H 0.042      
8 H 0.010      
9 H 0.010      
10 H 0.010      
11 H 0.010      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -5.367 5.367
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.754 0.000 0.000
y 0.000 -31.268 0.000
z 0.000 0.000 -39.025
Traceless
 xyz
x -9.607 0.000 0.000
y 0.000 10.621 0.000
z 0.000 0.000 -1.014
Polar
3z2-r2-2.028
x2-y2-13.486
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.995 0.000 0.000
y 0.000 7.697 0.000
z 0.000 0.000 7.147


<r2> (average value of r2) Å2
<r2> 127.634
(<r2>)1/2 11.298